summaryrefslogtreecommitdiffstats
path: root/drivers/nvme
diff options
context:
space:
mode:
authorVarun Prakash <varun@chelsio.com>2021-10-25 22:46:54 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-02 19:46:13 +0100
commitb597b0e2e80bcac733e3e364a51afb81d61c0e5b (patch)
tree316a92a53e6badc307a04fbdd345cf2e7291191d /drivers/nvme
parentd997d4e4365f7e59cf6b59c70f966c56d704b64f (diff)
downloadlinux-stable-b597b0e2e80bcac733e3e364a51afb81d61c0e5b.tar.gz
linux-stable-b597b0e2e80bcac733e3e364a51afb81d61c0e5b.tar.bz2
linux-stable-b597b0e2e80bcac733e3e364a51afb81d61c0e5b.zip
nvmet-tcp: fix data digest pointer calculation
commit e790de54e94a7a15fb725b34724d41d41cbaa60c upstream. exp_ddgst is of type __le32, &cmd->exp_ddgst + cmd->offset increases &cmd->exp_ddgst by 4 * cmd->offset, fix this by type casting &cmd->exp_ddgst to u8 *. Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver") Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 2ae846297d7c..2f4e512bd449 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -633,7 +633,7 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd)
struct nvmet_tcp_queue *queue = cmd->queue;
struct msghdr msg = { .msg_flags = MSG_DONTWAIT };
struct kvec iov = {
- .iov_base = &cmd->exp_ddgst + cmd->offset,
+ .iov_base = (u8 *)&cmd->exp_ddgst + cmd->offset,
.iov_len = NVME_TCP_DIGEST_LENGTH - cmd->offset
};
int ret;